Llançament espacial sense coet (Catalan Wikipedia)

Analysis of information sources in references of the Wikipedia article "Llançament espacial sense coet" in Catalan language version.

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1web.archive.org

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1globalnet.co.uk

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Robert M. Zubrin (Pioneer Astronautics), Christopher P. McKay. NASA Ames Research Center. «Technological Requirements for Terraforming Mars», c. 1993.

nss.org

«A Fresh Look at Space Solar Power: New Architectures, Concepts, and Technologies. John C. Mankins. International Astronautical Federation IAF-97-R.2.03. 12 pages.». Arxivat de l'original el 2017-10-26. [Consulta: 1r maig 2014].

web.archive.org

«A Fresh Look at Space Solar Power: New Architectures, Concepts, and Technologies. John C. Mankins. International Astronautical Federation IAF-97-R.2.03. 12 pages.». Arxivat de l'original el 2017-10-26. [Consulta: 1r maig 2014].